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Diseases of the Lymphatic System: Summary

by Joseph Alpert, MD
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    00:01 the lymph fluid out of the arm so that there’s not so much edema in the arm.

    00:01 Well then, in summary, we’ve defined the lymphatic system, talked about it. It’s part of the circulatory system that brings back interstitial fluid – tissue fluid – that escapes from the capillaries and also, occasionally, brings up cell debris and bacteria.

    00:18 It has a very important defence component, particularly defined as the lymph nodes that are producing lymphocytes, the spleen, the thymus, the Peyer’s patches in the intestine, a variety of areas of focal production of lymphocytes that help defend us against invasion by bacteria.

    00:41 We’ve talked about the vessel system, starting with very fine vessels gradually increasing in complexity until, as ducts, they drain the lymph back in to the venous system so that it maintains the volume of the blood.

    00:56 We talked a bit about malformations which are quite rare but almost always taken care of during infancy.

    01:02 We’ve talked about the edema that forms sometimes from surgical interventions, such as radical mastectomy for breast cancer or as the result of medical diseases – severe liver failure, for example, from cirrhosis or severe heart failure.

    01:16 And we’ve talked about destruction of the lymph vessels by parasites or by an immunological system that then results in massive edema or elephantiasis.


    About the Lecture

    The lecture Diseases of the Lymphatic System: Summary by Joseph Alpert, MD is from the course Diseases of the Lymphatic System.


    Author of lecture Diseases of the Lymphatic System: Summary

     Joseph Alpert, MD

    Joseph Alpert, MD


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